Issue 14, 2016

Unusual borane addition to conjugated dienylphosphanes under frustrated Lewis pair conditions

Abstract

Dimesitylphosphinoisoprene 9a reacts with a series of R-B(C6F5)2 boron Lewis acids by isomerization and subsequent 1,4-P/B addition to give the heterocyclic phosphonium/borate zwitterionic products 13. Subsequent hydride abstraction from the isoprenyl derived methyl group by trityl cation proceeds with elimination of the R-B(C6F5)2 reagent to give the heterocyclic phosphonium system 20.

Graphical abstract: Unusual borane addition to conjugated dienylphosphanes under frustrated Lewis pair conditions

Supplementary files

Article information

Article type
Paper
Submitted
05 oct. 2015
Accepted
04 nov. 2015
First published
09 nov. 2015

Dalton Trans., 2016,45, 6111-6117

Unusual borane addition to conjugated dienylphosphanes under frustrated Lewis pair conditions

S. Krupski, G. Kehr, C. G. Daniliuc and G. Erker, Dalton Trans., 2016, 45, 6111 DOI: 10.1039/C5DT03879K

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